EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Factors and Multiples

Grade : ICSE Grade VIII

License : Non Commercial Use

Question 1

1.

What is the number that divides
{3967,1415,2647}
leaving a remainder of
7

(i)

88
(ii)

91
(iii)

89
(iv)

85
(v)

87

Question 2

2.

Find the HCF of
{80,160}

(i)

79
(ii)

77
(iii)

80
(iv)

81
(v)

82

Question 3

3.

Which of the following numbers is divisible by 4?

(i)

5860
(ii)

5859
(iii)

5858
(iv)

5861
(v)

5862

Question 4

4.

Find the HCF of
{18,48,35,44}

(i)

0
(ii)

2
(iii)

1
(iv)

3
(v)

(-1)

Question 5

5.

Find the prime factorization of
3744

(i)

2 5

✕

3 2

✕

10
(ii)

2 5

✕

3 2

✕

16
(iii)

2 5

✕

3 2

✕

13
(iv)

2 5

✕

3 3

✕

13
(v)

2 4

✕

3 2

✕

13

Question 6

6.

The factors of 42 =

(i)

{1,2,3,6,7,14,21,42,5,15}
(ii)

{1,2,3,6,7,14,21,42}
(iii)

{1,2,3,6,7,42,5,4}
(iv)

{1,2,3,6,7,14,21,8}

Question 7

7.

Find the L.C.M of
46
22

,

20
32

(i)

231
(ii)

460
(iii)

229
(iv)

230
(v)

115

Question 8

8.

Find the H.C.F of
14
44

,

49
35

(i)

1
308
(ii)

7
1538
(iii)

1
220
(iv)

9
1540
(v)

7
1542

Question 9

9.

The common multiples of 5 and 7 =

(i)

{35,70,105,140,175}
(ii)

{35,105,140,175,43}
(iii)

{35,70,105,140,48}
(iv)

{70,105,140,175,201}
(v)

{35,70,105,140,164}

Question 10

10.

The factors of 97 =

(i)

{1,97}
(ii)

{1,97,2,96}
(iii)

{2,96}
(iv)

{97,2}
(v)

{1,97,96}

Question 11

11.

Which of the following numbers is divisible by 5?

(i)

5128
(ii)

5129
(iii)

5130
(iv)

5132
(v)

5131

Question 12

12.

Find the prime factorization of
28

(i)

2 2

✕

4
(ii)

2

✕

7
(iii)

2 2

✕

7
(iv)

2 3

✕

7
(v)

5 2

✕

7

Question 13

13.

The multiples of 8 =

(i)

{8,16,24,32,40,48}
(ii)

{8,16,24,32,40,48,41}
(iii)

{8,16,24,32,40,48,7,31}
(iv)

{8,16,24,32,40,49}
(v)

{8,16,24,32,23,7}

Question 14

14.

Find the LCM of
{12,4,14}

(i)

81
(ii)

86
(iii)

83
(iv)

84
(v)

85

Question 15

15.

Find the number of prime factors of
21

(i)

1
(ii)

2
(iii)

3
(iv)

4
(v)

0

Question 16

16.

Find the prime factorization of
74

(i)

2

✕

34
(ii)

2

✕

37
(iii)

2

✕

36
(iv)

5

✕

37
(v)

2

✕

37 2

Question 17

17.

Find the LCM of
{96,216}

(i)

865
(ii)

863
(iii)

862
(iv)

867
(v)

864

Question 18

18.

Find the H.C.F of
34
14

,

9
24

,

33
36

(i)

1
502
(ii)

1
506
(iii)

1
504
(iv)

1
168
(v)

(
-1
504
)

Question 19

19.

Find the product of LCM and HCF of
{8,22,27,26}

(i)

30887
(ii)

30888
(iii)

30890
(iv)

30885
(v)

30889

Question 20

20.

Find the product of LCM and HCF of
{10,22,4}

(i)

443
(ii)

439
(iii)

440
(iv)

437
(v)

441

Question 21

21.

Find the HCF of
{14,10}

(i)

4
(ii)

1
(iii)

3
(iv)

2
(v)

0

Question 22

22.

The factors of 68 =

(i)

{1,2,4,17,34,68,18}
(ii)

{2,4,17,34,68,1}
(iii)

{2,4,17,34,67,18}
(iv)

{1,2,4,17,34,68}
(v)

{1,2,4,17,34,68,3,18}

Question 23

23.

Find the number of prime factors of
2520

(i)

2
(ii)

7
(iii)

3
(iv)

4
(v)

5

Question 24

24.

The multiples of 19 =

(i)

{19,38,57,76,95,114}
(ii)

{19,38,57,76,95,114,75,39}
(iii)

{38,57,76,95,114,18}
(iv)

{38,57,95,114,39,94}
(v)

{19,38,57,76,95,114,94}

Question 25

25.

Find all common factors of 14 , 2 and 22

(i)

{1,0}
(ii)

{1,14}
(iii)

{1,2,0}
(iv)

{1,2,7}
(v)

{1,2}

Assignment Key